EP1927793A3 - Hydraulic pressure control device for continuosly variable transmission - Google Patents

Hydraulic pressure control device for continuosly variable transmission Download PDF

Info

Publication number
EP1927793A3
EP1927793A3 EP07020516A EP07020516A EP1927793A3 EP 1927793 A3 EP1927793 A3 EP 1927793A3 EP 07020516 A EP07020516 A EP 07020516A EP 07020516 A EP07020516 A EP 07020516A EP 1927793 A3 EP1927793 A3 EP 1927793A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic pressure
variable transmission
clutch
control device
pressure control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07020516A
Other languages
German (de)
French (fr)
Other versions
EP1927793B1 (en
EP1927793B8 (en
EP1927793A2 (en
Inventor
Hiroyasu Tanaka
Hideshi Wakayama
Shoichi Sekiguchi
Katsumi Doihara
Hideaki Sasaki
Azusa Shimoda
Naohiro Hoshi
Tatsuya Ozone
Toshjio Saitou
Koji Dohi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JATCO Ltd
Original Assignee
JATCO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JATCO Ltd filed Critical JATCO Ltd
Publication of EP1927793A2 publication Critical patent/EP1927793A2/en
Publication of EP1927793A3 publication Critical patent/EP1927793A3/en
Publication of EP1927793B1 publication Critical patent/EP1927793B1/en
Application granted granted Critical
Publication of EP1927793B8 publication Critical patent/EP1927793B8/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/102—Actuator
    • F16D2500/1026—Hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3024—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/3042—Signal inputs from the clutch from the output shaft
    • F16D2500/30426—Speed of the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50245—Calibration or recalibration of the clutch touch-point
    • F16D2500/50251—During operation
    • F16D2500/50254—Brake actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50245—Calibration or recalibration of the clutch touch-point
    • F16D2500/50266—Way of detection
    • F16D2500/50272—Gearing speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H2061/0075—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by a particular control method
    • F16H2061/0087—Adaptive control, e.g. the control parameters adapted by learning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/20—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control
    • F16H2061/207—Preventing gear creeping ; Transmission control during standstill, e.g. hill hold control by neutral control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2342/00—Calibrating
    • F16H2342/04—Calibrating engagement of friction elements
    • F16H2342/042—Point of engagement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/38—Inputs being a function of speed of gearing elements
    • F16H59/42—Input shaft speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

A hydraulic pressure control device is provided that that controls hydraulic pressure of a clutch supplying torque to a continuously variable transmission while the vehicle is stopped and in a running range. The hydraulic pressure control device has an control section that estimates a clutch engagement hydraulic pressure for changing the clutch from an engaged state to a disengaged state based the hydraulic fluid pressure acting on the clutch during the stopping of the rotational movement of a primary pulley of the continuously variable transmission, and then controls regulation of the hydraulic pressure to the clutch from an engaged state to a disengaged state, when the vehicle is stopped and in the running range, so that the torque from the engine does not rotate a secondary pulley of the continuously variable transmission.
EP07020516A 2006-11-28 2007-10-19 Hydraulic pressure control device for continuosly variable transmission Expired - Fee Related EP1927793B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006319805A JP4344378B2 (en) 2006-11-28 2006-11-28 Hydraulic control device for belt type continuously variable transmission

Publications (4)

Publication Number Publication Date
EP1927793A2 EP1927793A2 (en) 2008-06-04
EP1927793A3 true EP1927793A3 (en) 2010-07-21
EP1927793B1 EP1927793B1 (en) 2011-12-14
EP1927793B8 EP1927793B8 (en) 2012-03-21

Family

ID=39111902

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07020516A Expired - Fee Related EP1927793B8 (en) 2006-11-28 2007-10-19 Hydraulic pressure control device for continuosly variable transmission

Country Status (5)

Country Link
US (1) US7744505B2 (en)
EP (1) EP1927793B8 (en)
JP (1) JP4344378B2 (en)
KR (1) KR101342332B1 (en)
CN (1) CN101191554B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4229176B2 (en) * 2006-11-22 2009-02-25 いすゞ自動車株式会社 Half-clutch point learning device for wet multi-plate clutch
WO2009147950A1 (en) * 2008-06-04 2009-12-10 日産自動車株式会社 Fastening pressure control device for starting friction element at time of controlling idle stop of vehicle
JP4965612B2 (en) * 2009-08-25 2012-07-04 ジヤトコ株式会社 Control device for automatic transmission
US20110061954A1 (en) * 2009-09-11 2011-03-17 Gm Global Technology Operations, Inc. Strong hybrid system
US20110079085A1 (en) * 2009-10-06 2011-04-07 Robert John Kanda Integrated fluid pressure sensor system
KR101220377B1 (en) * 2010-10-14 2013-01-09 기아자동차주식회사 Hydraulic control system of continuous variable transmission for vehicle
CN102554883A (en) * 2010-12-08 2012-07-11 南京百为五金工具有限公司 Handheld electric tool
US9429235B2 (en) 2011-10-14 2016-08-30 Polaris Industries Inc. Primary clutch electronic CVT
JP5983466B2 (en) 2013-03-06 2016-08-31 トヨタ自動車株式会社 Vehicle hydraulic control device
JP5970604B2 (en) * 2013-03-25 2016-08-17 ジヤトコ株式会社 Control device and control method for automatic transmission
US9316271B2 (en) * 2014-03-17 2016-04-19 GM Global Technology Operations LLC Adaptive control of a linear actuator
US10648554B2 (en) 2014-09-02 2020-05-12 Polaris Industries Inc. Continuously variable transmission
JP6205449B1 (en) * 2016-03-30 2017-09-27 本田技研工業株式会社 Control device for power transmission mechanism
CN111836980A (en) 2018-03-19 2020-10-27 北极星工业有限公司 Continuously variable transmission
FR3085330B1 (en) * 2018-08-28 2020-08-21 Psa Automobiles Sa PROCEDURE FOR CONTROLLING THE COUPLING STATE OF A TRACTION MACHINE TO A MOTOR VEHICLE WHEEL TRAIL

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5726353A (en) * 1995-11-21 1998-03-10 Honda Giken Kogyo Kabushiki Kaisha System for detecting torque of automatic vehicle transmission and controlling the same based on detected torque
US20030073535A1 (en) * 2001-10-16 2003-04-17 Takahiro Eguchi Vehicular power transmission
US20030109360A1 (en) * 2001-12-10 2003-06-12 Takahiro Eguchi Method for controlling engagement of frictionally engaging element in power transmission
US20040111204A1 (en) * 2002-12-10 2004-06-10 Toyota Jidosha Kabushiki Kaisha Control apparatus and method for automatic transmission

Family Cites Families (16)

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JP2706154B2 (en) 1989-10-05 1998-01-28 スズキ株式会社 Control device for automatic starting clutch
JP3495094B2 (en) 1994-07-08 2004-02-09 株式会社クボタ Work vehicle traveling speed change structure
JPH0854030A (en) 1994-08-09 1996-02-27 Jidosha Kiki Co Ltd Half clutch position learning method in clutch control device
JP2000130475A (en) 1998-10-28 2000-05-12 Isuzu Motors Ltd Clutch connecting/disconnecting device
JP3489614B2 (en) 1999-04-16 2004-01-26 三菱自動車工業株式会社 Control device for automatic transmission
JP2001084002A (en) 1999-09-10 2001-03-30 Aisin Seiki Co Ltd Control device
JP4360039B2 (en) 2001-03-23 2009-11-11 いすゞ自動車株式会社 Clutch torque point learning method
JP2002295529A (en) 2001-03-28 2002-10-09 Isuzu Motors Ltd Method of practising torque point of clutch
JP4244602B2 (en) 2002-09-12 2009-03-25 トヨタ自動車株式会社 Control device for continuously variable transmission
JP3731746B2 (en) * 2002-09-26 2006-01-05 日産自動車株式会社 Control device for engine and belt type continuously variable transmission
JP3964333B2 (en) * 2003-02-06 2007-08-22 ジヤトコ株式会社 Automatic transmission gear shifting hydraulic system
EP1606134A4 (en) * 2003-03-19 2008-10-08 Univ California Method and system for controlling rate of change of ratio in a continuously variable transmission
JP2006046468A (en) * 2004-08-03 2006-02-16 Aisin Aw Co Ltd Continuously variable transmission
JP4332096B2 (en) * 2004-10-07 2009-09-16 ジヤトコ株式会社 Hydraulic control device for continuously variable transmission
JP2006200549A (en) * 2005-01-18 2006-08-03 Fujitsu Ten Ltd Control method for continuously variable transmission and its device
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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US5726353A (en) * 1995-11-21 1998-03-10 Honda Giken Kogyo Kabushiki Kaisha System for detecting torque of automatic vehicle transmission and controlling the same based on detected torque
US20030073535A1 (en) * 2001-10-16 2003-04-17 Takahiro Eguchi Vehicular power transmission
US20030109360A1 (en) * 2001-12-10 2003-06-12 Takahiro Eguchi Method for controlling engagement of frictionally engaging element in power transmission
US20040111204A1 (en) * 2002-12-10 2004-06-10 Toyota Jidosha Kabushiki Kaisha Control apparatus and method for automatic transmission

Also Published As

Publication number Publication date
EP1927793B1 (en) 2011-12-14
CN101191554B (en) 2012-12-05
JP2008133881A (en) 2008-06-12
JP4344378B2 (en) 2009-10-14
EP1927793B8 (en) 2012-03-21
CN101191554A (en) 2008-06-04
US7744505B2 (en) 2010-06-29
KR20080048398A (en) 2008-06-02
KR101342332B1 (en) 2013-12-16
US20080125284A1 (en) 2008-05-29
EP1927793A2 (en) 2008-06-04

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